dateless

Definitions of dateless
1

adj having no known beginning and presumably no end

“the dateless rise and fall of the tides”
Synonyms:
endless, sempiternal
infinite
having no limits or boundaries in time or space or extent or magnitude

adj of such great duration as to preclude the possibility of being assigned a date

dateless customs”
Synonyms:
undatable
not capable of being given a date

adj not bearing a date

“a dateless letter”
Synonyms:
undated
undatable
not capable of being given a date

adj unaffected by time

“few characters are so dateless as Hamlet”
Synonyms:
timeless
unaltered, unchanged
remaining in an original state

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